Lamp arm



FIG. 1 is a front perspective view of a lamp arm in accordance with mydesign;

FIG. 2 is a back perspective view of the lamp arm in accordance with mydesign;

FIG. 3 is a front elevation view of the lamp arm in accordance with mydesign;

FIG. 4 is a back elevation view of the lamp arm in accordance with mydesign;

FIG. 5 is a top plan view of the lamp arm in accordance with my design;

FIG. 6 is a bottom plan view of the lamp arm in accordance with mydesign; and,

FIG. 7 is a side elevation view of the lamp arm in accordance with mydesign, the other side being a mirror image thereof.

The broken-line disclosure of elements is understood to representportions of the article in which the design is embodied, but which formno part of the claimed design.

CLAIM The ornamental design for a lamp arm, as shown and described.